5acb972fed
Add acpu driver for hisilicon SoC, acpu is application processor subsystem. Currently the acpu has the coupled clock domain for two clusters, so this driver will directly use cpufreq-dt driver as backend. Signed-off-by: Leo Yan <leo.yan@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
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* Hisilicon Platforms Using ACPU CPUFreq Support
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*
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* Copyright (c) 2015 Hisilicon Limited.
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* Copyright (c) 2015 Linaro Limited.
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*
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* Leo Yan <leo.yan@linaro.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/err.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/platform_device.h>
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static int __init hisi_acpu_cpufreq_driver_init(void)
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{
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struct platform_device *pdev;
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if (!of_machine_is_compatible("hisilicon,hi6220"))
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return -ENODEV;
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pdev = platform_device_register_simple("cpufreq-dt", -1, NULL, 0);
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return PTR_ERR_OR_ZERO(pdev);
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}
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module_init(hisi_acpu_cpufreq_driver_init);
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MODULE_AUTHOR("Leo Yan <leo.yan@linaro.org>");
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MODULE_DESCRIPTION("Hisilicon acpu cpufreq driver");
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MODULE_LICENSE("GPL v2");
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